From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Reports on B.40 proof castings, noting the cylinder head requires alteration.
| Identifier | ExFiles\Box 146\4\ scan0075 | |
| Date | 16th April 1940 | |
| 1246. File Rm{William Robotham - Chief Engineer}/Mr. Salt. Sft{Mr Swift}/EW/WP.16.4.40. Re :- B.40. We attache herewith, reports received from our Experimental Dept. of Proof Castings as marked out by them. It should be noted that these Patterns were produced by "The Pattern and Model Co., Coventry". As you will note from the reports, the Cylinder Head necessitates considerable alteration: if you require us to make the necessary alterations, kindly return the reports and we will give same our best attention. Sft{Mr Swift}/EW. | ||